Topic 1 Earth-Sun-Moon System Review

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Across
  1. 4. A celestial body that orbits a star
  2. 5. An event where one celestial body moves into the shadow of another
  3. 9. An Earth-centered model of the universe
  4. 10. The darkest part of a shadow, especially during an eclipse
  5. 15. A group of stars forming a recognizable pattern
  6. 16. The time when day and night are of equal length
  7. 17. The force that attracts objects toward one another
  8. 18. The path one object takes around another
Down
  1. 1. A distinct stage in a process, such as the phases of the Moon
  2. 2. The spinning of an object around its axis
  3. 3. The time when the Sun reaches its highest or lowest point in the sky at noon
  4. 6. A small icy body that orbits the Sun, often with a glowing tail
  5. 7. A massive ball of gas that emits light and heat
  6. 8. A Sun-centered model of the solar system
  7. 11. The movement of one object around another
  8. 12. A small rock or particle from space that burns up upon entering Earth's atmosphere
  9. 13. The lighter, outer part of a shadow
  10. 14. An object that orbits another object in space